2503怎么升级啊

doubelong

请教各位大虾
我的2503版本信息如下：这样的机器能不能升级啊？我要升级成什么版本才

支持nat啊？怎么下载适合她用的版本啊？
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Cisco Internetwork Operating System Software
IOS (tm) 3000 Software (IGS-I-L), Version 11.0(16), RELEASE

SOFTWARE (fc1)
Copyright (c) 1986-1997 by cisco Systems, Inc.
Compiled Tue 24-Jun-97 12:20 by jaturner
Image text-base: 0x0301E644, data-base: 0x00001000

ROM: System Bootstrap, Version 11.0(10c), SOFTWARE
ROM: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c),

RELEASE SOFTWARE (
fc1)

yqltlan uptime is 3 minutes
System restarted by power-on
System image file is "flash:/igs-i-l.110-16", booted via flash

cisco 2500 (68030) processor (revision N) with 2048K/2048K bytes

of memory.
Processor board ID 11158075, with hardware revision 00000001
Bridging software.
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface.
2 Serial network interfaces.
1 ISDN Basic Rate interface.
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102

xilun

升级到12.0，但是你的路由器应该升级内存了。